Animals

The Tyrannosaurus at Spain’s Jurassic Museum of Asturias offer a speculative take on how dinosaurs mated.

Everything You Want to Know About Dinosaur Sexual Anatomy and Reproduction, From Their Genitalia to How They Laid Eggs

Paleontologists continue to find fossils that help revise our understanding of how dinosaurs did it

A polar bear near Kaktovik, Alaska. New research reveals how polar bears keep ice off their fur.

How Do Polar Bears Keep Ice Off Their Fur? New Study Reveals the Secret—and It Could Improve Technology

The de-icing properties of polar bear sebum could fuel new innovations, scientists say, potentially unlocking alternatives to harmful “forever chemicals” used in ice-resistant coatings today

The swell shark pup at Louisiana's Shreveport Aquarium

Shark Pup Mysteriously Hatches in Aquarium Tank With Only Females. How Could This Birth Happen?

Experts say the case is either a rare form of asexual reproduction or an instance of (very) delayed fertilization

One of the first-ever images of the Mount Lyell shrew in California

See the First-Ever Photographs of the Elusive Mount Lyell Shrew, Finally Caught on Camera in California

A group of young researchers captured and photographed the animal on a three-day expedition to the Eastern Sierra Nevada

The fossil find, dubbed Danekræ DK-1295, contains regurgitated fragments of sea lilies.

Fossil Hunter Discovers 66-Million-Year-Old Vomit in Denmark, Offering a Clue to the Cretaceous Food Chain

A marine animal snacked on some sea lilies that did not agree with its stomach—and we now know what happened next

Reef sharks are abundant in the new marine proteted area.

A New Marine Protected Area in the Marshall Islands Is Brimming With Life, Like a 'Time Machine' to Oceans Long Ago

The waters around two remote atolls in the central Pacific Ocean—spanning 18,500 square miles—are now protected from fishing

A tiger keelback feeds on poisonous toads and stores the poison for its own use.

Six Clever Snakes to Celebrate as We Slither Into the Lunar New Year

These fascinating serpents embody acclaimed qualities including cunning and intelligence

Lynx Spider by Manfred Auer won third place in the invertebrate portrait category of this year's Close-up Photographer of the Year contest.

See 15 Winning Images From the Close-Up Photographer of the Year Competition

The annual contest offers a glimpse into the hidden world of tiny scenes, from insects to fish to fungi

Togo and his owner, musher Leonhard Seppala, in 1927

This Heroic Dog Raced Across the Frozen Alaskan Wilderness to Deliver Life-Saving Medicine—but His Contributions Were Long Overlooked

Togo, not Balto, was the driving force behind the 1925 Serum Run to Nome, which found teams of mushers and sled dogs delivering antitoxin to children suffering from diphtheria

A recently discovered trove of Winnie-the-Pooh materials found new homes in the United States and the United Kingdom after selling at auction.

Man Finds Rare Trove of Winnie-the-Pooh Drawings and Manuscripts in His Father's Attic

The papers connected to author A.A. Milne—including original drafts, illustrations, letters, poems and corrected proofs—sold at auction for more than $118,000

Laminella venusta is a state land snail endemic to Molokai.

How a Hawaiian High School Student Inspired Nine New State Animals

Researchers hope the designation of several species of land snails, or kāhuli, will lead to conservation

Researchers are investigating oyster "blood" as a potential new treatment for antimicrobial-resistant pathogens.

Oyster 'Blood' May Be the Secret Weapon in Our Fight Against Antibiotic-Resistant Superbugs, Study Finds

In lab experiments, a protein found in the Sydney rock oyster made some antibiotics more effective and killed several types of illness-causing bacteria

The head of Bathynomus vaderi, a newly described species of giant isopod found in Southeast Asian waters

Researchers Identified a New 'Supergiant' Crustacean With 14 Legs—and They Named It After Darth Vader

In recent years, the deep-sea giant isopod has also become a seafood delicacy in Vietnam, where it was discovered

LouLou, an elephant at the Cheyenne Mountain Zoo, was one of five that the Nonhuman Rights Project claimed in a lawsuit should be able to live in a sanctuary.

Elephants Aren't People and Can't Sue to Leave a Zoo, Colorado's Top Court Rules

The court rejected a case to send five African elephants to a sanctuary, saying they have no legal right to demand release under habeas corpus

When a Japanese aquarium closed for a six-month renovation project, a sunfish named Mambo stopped eating and began rubbing up against the side of its tank. Aquarists wondered if the creature was lonely. (Mambo is not pictured.)

A Sunfish Got 'Lonely' When Its Aquarium Closed for Renovations. Then, Staff Found a Creative Way to Cheer It Up

The solitary fish named Mambo stopped eating and seemed to be missing its human visitors—so aquarists attached photos of human faces and uniforms to the side of its enclosure

Male giant panda Bao Li plays on a wooden climbing structure. Beginning on January 24, visitors to the National Zoo can finally see Bao Li and Qing Bao in person.

The National Zoo's Giant Pandas Are Finally Making Their Public Debut

Bao Li and Qing Bao, both 3 years old, are the latest black-and-white bears to call the nation's capital home

Elephants, bats, rabbits and other mammals have exceptional hearing—and their outer ears may be a key reason why.

Why Do Mammals Have Outer Ears? Scientists Are Getting Closer to Solving the Mystery

Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals but aren't found in reptiles, birds or amphibians

Fossilized feces, also known as coprolites, are helping scientists in New Zealand peer back in time.

Fossilized Poop Reveals How Extinct, Flightless Birds Helped Spread New Zealand's Colorful Fungi

The upland moa was likely drawn to the fungi because of their resemblance to berries, scientists say, allowing the creature to fill a role typically played by mammals

Dinosaurs only started to live large after a mass extinction altered the planet in their favor.

How a Mass Extinction Driven by Ancient Volcanoes Led to the Age of the Dinosaurs

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the terrible lizards to thrive

A new study on "contagious urination" only looked at captive chimpanzees, but researchers suspect the phenomenon may also exist in the wild.

For Chimpanzees, Peeing May Be Contagious—Just Like Yawning Is for Humans, Study Finds

Scientists suggest captive chimpanzees engage in 'socially contagious urination'—that is, when one primate starts peeing, others quickly follow suit

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